Portable memory unit



FIG. 1 is a back side perspective view of the portable memory unit with the connector folded inward.

FIG. 2 is a back side perspective view thereof with the connector extended outward.

FIG. 3 is a front side perspective view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a left side elevation view thereof.

FIG. 8 is a front elevation view thereof; and,

FIG. 9 is a back elevation view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portable memory unit, as shown and described. 